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经营范围
发明名称
SCALPING MACHINE CONTROL APPARATUS
摘要
申请公布号
CA441811(A)
申请公布日期
1947.06.03
申请号
CAD441811
申请日期
申请人
ALUMINUM COMPANY OF AMERICA
发明人
ELLIOTT WALKER MASON
分类号
主分类号
代理机构
代理人
主权项
地址
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